package com.atlige.gzmall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.atlige.common.to.es.SkuEsModel;
import com.atlige.gzmall.search.GzmallSearchApplication;
import com.atlige.gzmall.search.config.GzMallElasticsearchConfig;
import com.atlige.gzmall.search.constant.EsConstant;
import com.atlige.gzmall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author Jeremy Li
 * @data 2021/3/27 - 11:50
 */
@Service
@Slf4j
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient clientl;

    /**
     * 上架商品
     * @param skuEsModels
     */
    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 将数据保存在es
        // 1、给es建立索引product，建立映射关系
        // 2、给es批量保存数据

        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel skuEsModel : skuEsModels) {
            // 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(skuEsModel.getSkuId().toString());
            String jsonString = JSON.toJSONString(skuEsModel);
            indexRequest.source(jsonString, XContentType.JSON);
            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = clientl.bulk(bulkRequest, GzMallElasticsearchConfig.COMMON_OPTIONS);
        // TODO 如果批量错误
        if (!bulk.hasFailures()){
            return true;
        }else {
            List<String> collect = Arrays.stream(bulk.getItems()).map(item -> {
                return item.getId();
            }).collect(Collectors.toList());
            log.error("商品上架错误：{}", collect);
            return false;
        }
    }
}
